Kenison, Ervin, Bradley, Harry Cyrus, 1871-1936 · New York : The Macmillan Company · leaf 147
plane, the other projection of this point being inGL. The other trace of the line will be in the other trace ofthe plane, and is determined by a projector drawn from theintersection of the given projection with GL. 125 126 DESCRIPTIVE GEOMETRY [XIV, § 133 Construction (Fig. 196). Let the plane Q… … Fig. 196. F-trace of the line (Prob. 1, § 37). The actual trace, f, lies inVQ. The projection A is now determined, since two points,sv and f, are known. Similarly, the projection Ah may be found if Av is given.
Geometry, Descriptive
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